Data Report
Bulletin / 2023-03
Contributed by CUPWA
Date 2023-03-07 Event type = A
Origin Time 1018 12.60 +- 2.75
Zone 55
Easting 679.50 +- 66.01 Longitude 148.713
Northing 7816.24 +- 30.84 Latitude -19.741
Depth 10.00 +- 66.32 N
Arrival times = 8 S.D. = 0.376 Seismographs = 4
Nearest recorder = 57.8 km Gap = 315.0 deg Accuracy = G
Effects Code = Imax = 0 Fault =
57 km NE ( 59 deg) of BW1H
AUSTRALIA
QUEENSLAND
962 km NW (332 deg) of BRISBANE
259 km E ( 82 deg) of CHARTERS TOWERS
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
BW1H 58 1.5
BW2S 59 1.2
CTAO 260 1.7
TV1H 208 1.2
Mean 1.4 Assign ML 1.6
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 21.81 0.10 1.32 22.09 -0.28 57.8 239 -28.7 28.7
BW1H S 29.37 0.10 1.19 29.32 0.05 57.8 239 -29.7 29.7
BW2S P 21.90 0.10 1.32 22.22 -0.32 58.7 240 -28.7 28.7
BW2S S 29.75 0.10 1.19 29.55 0.20 58.7 240 -29.7 29.7
TV1H P 43.79 0.10 1.18 43.28 0.51 208.1 284 -42.6 42.6
TV1H S 65.41 0.10 1.06 66.03 -0.62 208.1 284 -44.2 44.2
CTAO P 50.04 0.10 1.16 49.79 0.25 260.1 261 -42.6 42.6
CTAO S 77.60 0.10 1.04 77.27 0.33 260.1 261 -44.2 44.2
8 times used, S = 0.376
Velocity Ratios
BW1H BW2S TV1H CTAO
BW1H 1.82 0.00 1.64 1.71
0.03 0.00 0.02 0.02
BW2S 0.00 1.84 1.63 1.70
0.00 0.03 0.02 0.02
TV1H 1.64 1.63 1.69 1.95
0.02 0.02 0.01 0.10
CTAO 1.71 1.70 1.95 1.74
0.02 0.02 0.10 0.01
Date 2023-03-10 Event type = A
Origin Time 0022 15.50 +- 1.99
Zone 55
Easting 665.87 +- 110.33 Longitude 148.581
Northing 7837.67 +- 5.71 Latitude -19.549
Depth 10.00 +- 103.69 N
Arrival times = 7 S.D. = 0.162 Seismographs = 4
Nearest recorder = 62.1 km Gap = 296.0 deg Accuracy = G
Effects Code = Imax = 0 Fault =
62 km NE ( 35 deg) of BW1H
AUSTRALIA
QUEENSLAND
987 km NW (332 deg) of BRISBANE
249 km E ( 77 deg) of CHARTERS TOWERS
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
BW1H 62 2.0
BW2S 63 2.2
CTAO 251 1.8
TV1H 190 1.4
Mean 1.9 Assign ML 1.9
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 25.58 0.10 1.31 25.62 -0.04 62.1 215 -28.7 28.7
BW1H S 33.26 0.10 1.18 33.33 -0.07 62.1 215 -29.7 29.7
BW2S P 25.70 0.10 1.31 25.66 0.04 62.3 216 -28.7 28.7
BW2S S 33.57 0.10 1.18 33.40 0.17 62.3 216 -29.7 29.7
TV1H P 43.88 0.10 1.19 43.91 -0.03 190.2 279 -42.6 42.6
TV1H S 65.25 0.10 1.07 65.02 0.23 190.2 279 -44.2 44.2
CTAO S 77.83 0.10 1.05 78.14 -0.31 250.8 255 -44.2 44.2
7 times used, S = 0.162
Deferred Data
CTAO P 49.85 0.10 1.16 51.51 -1.66 250.8 255 -42.6 42.6
Velocity Ratios
BW1H BW2S TV1H
BW1H 1.76 0.00 1.75
0.03 0.00 0.03
BW2S 0.00 1.77 1.74
0.00 0.03 0.03
TV1H 1.75 1.74 1.75
0.03 0.03 0.01
Date 2023-03-15 Event type = A
Origin Time 0757 46.00 +- 0.00
Zone 55
Easting 690.10 +- 0.00 Longitude 148.817
Northing 7786.81 +- 0.00 Latitude -20.006
Depth 10.00 +- 0.00 N
Arrival times = 4 S.D. = 0.002 Seismographs = 2
Nearest recorder = 60.8 km Gap = 359.4 deg Accuracy = Z
Effects Code = Imax = 0 Fault =
60 km E ( 90 deg) of BW1H
AUSTRALIA
QUEENSLAND
931 km NW (332 deg) of BRISBANE
267 km E ( 89 deg) of CHARTERS TOWERS
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
BW1H 61 1.4
BW2S 62 1.6
Mean 1.5 Assign ML 1.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 55.94 0.10 1.31 55.94 -0.00 60.8 270 -28.7 28.7
BW1H S 63.51 0.10 1.18 63.51 0.00 60.8 270 -29.7 29.7
BW2S P 56.15 0.10 1.31 56.15 0.00 62.2 270 -28.7 28.7
BW2S S 63.87 0.10 1.18 63.87 -0.00 62.2 270 -29.7 29.7
4 times used, S = 0.002
Velocity Ratios
BW1H BW2S
BW1H 1.76 0.00
0.03 0.00
BW2S 0.00 1.76
0.00 0.03
Date 2023-03-17 Event type = A
Origin Time 1231 52.82 +- 0.00
Zone 55
Easting 681.38 +- 0.00 Longitude 148.730
Northing 7820.64 +- 0.00 Latitude -19.701
Depth 10.00 +- 0.00 N
Arrival times = 4 S.D. = 0.000 Seismographs = 2
Nearest recorder = 61.7 km Gap = 358.8 deg Accuracy = Z
Effects Code = Imax = 0 Fault =
61 km NE ( 57 deg) of BW1H
AUSTRALIA
QUEENSLAND
965 km NW (332 deg) of BRISBANE
261 km E ( 81 deg) of CHARTERS TOWERS
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
BW1H 62 1.7
BW2S 63 1.5
Mean 1.6 Assign ML 1.6
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 62.89 0.10 1.31 62.89 -0.00 61.7 236 -28.7 28.7
BW1H S 70.56 0.10 1.18 70.56 0.00 61.7 236 -29.7 29.7
BW2S P 63.01 0.10 1.31 63.01 0.00 62.5 238 -28.7 28.7
BW2S S 70.77 0.10 1.18 70.77 -0.00 62.5 238 -29.7 29.7
4 times used, S = 0.000
Velocity Ratios
BW1H BW2S
BW1H 1.76 0.00
0.03 0.00
BW2S 0.00 1.76
0.00 0.03
Date 2023-03-20 Event type = A
Origin Time 0251 4.05 +- 3.22
Zone 55
Easting 683.96 +- 51.32 Longitude 148.762
Northing 7754.40 +- 35.43 Latitude -20.299
Depth 10.00 +- 38.05 N
Arrival times = 10 S.D. = 0.555 Seismographs = 5
Nearest recorder = 63.9 km Gap = 333.9 deg Accuracy = G
Effects Code = Imax = 0 Fault =
38 km NE ( 66 deg) of PETE
AUSTRALIA
QUEENSLAND
905 km NW (330 deg) of BRISBANE
262 km E ( 96 deg) of CHARTERS TOWERS
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
MTSU 524 2.6
BW1H 64 2.1
BW2S 66 2.1
CTAO 263 2.2
TV1H 236 1.7
Mean 2.1 Assign ML 2.1
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 14.10 0.10 1.31 14.46 -0.36 63.9 300 -28.7 28.7
BW1H S 22.85 0.10 1.18 22.38 0.47 63.9 300 -29.7 29.7
BW2S P 14.41 0.10 1.31 14.68 -0.27 65.4 300 -28.7 28.7
BW2S S 23.21 0.10 1.18 22.78 0.43 65.4 300 -29.7 29.7
TV1H P 38.59 0.10 1.17 38.21 0.38 235.9 298 -42.6 42.6
TV1H S 62.82 0.10 1.05 63.51 -0.69 235.9 298 -44.2 44.2
CTAO P 42.60 0.10 1.16 41.59 1.01 263.0 274 -42.6 42.6
CTAO S 68.71 0.10 1.04 69.34 -0.63 263.0 274 -44.2 44.2
MTSU P 75.61 0.10 1.08 76.02 -0.41 524.0 296 -40.4 42.0
MTSU S 129.87 0.10 0.97 130.01 -0.14 524.0 296 -39.2 42.6
10 times used, S = 0.555
Velocity Ratios
BW1H BW2S TV1H CTAO MTSU
BW1H 1.87 0.00 1.63 1.61 1.74
0.03 0.00 0.02 0.02 0.01
BW2S 0.00 1.85 1.64 1.61 1.74
0.00 0.03 0.02 0.02 0.01
TV1H 1.63 1.64 1.70 1.47 1.81
0.02 0.02 0.01 0.13 0.02
CTAO 1.61 1.61 1.47 1.68 1.85
0.02 0.02 0.13 0.01 0.02
MTSU 1.74 1.74 1.81 1.85 1.76
0.01 0.01 0.02 0.02 0.00
Date 2023-03-21 Event type = E
Origin Time 1728 54.72 +- 0.00
Zone 56
Easting 354.75 +- 0.00 Longitude 151.558
Northing 7210.96 +- 0.00 Latitude -25.210
Depth 10.00 +- 0.00 N
Arrival times = 4 S.D. = 0.193 Seismographs = 2
Nearest recorder = 33.2 km Gap = 180.0 deg Accuracy = Q
Effects Code = Imax = 0 Fault =
33 km W (249 deg) of FS03
AUSTRALIA
QUEENSLAND
290 km NW (329 deg) of BRISBANE
88 km SW (245 deg) of BUNDABERG
76 km NW (327 deg) of STOCKHAVEN STATION
9 km SW (238 deg) of MOUNT PERRY
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
FS03 34 0.6
EIDS 52 1.0
Mean 0.8 Assign ML 0.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
FS03 P 60.75 0.10 1.38 60.55 0.20 33.2 69 -28.7 28.7
FS03 S 64.81 0.10 1.24 65.02 -0.21 33.2 69 -29.7 29.7
EIDS P 63.30 0.10 1.33 63.22 0.08 51.1 249 -28.7 28.7
EIDS S 69.56 0.10 1.20 69.70 -0.14 51.1 249 -29.7 29.7
4 times used, S = 0.193
Velocity Ratios
FS03 EIDS
FS03 1.67 0.00
0.05 0.00
EIDS 0.00 1.73
0.00 0.03
Date 2023-03-25 Event type = E
Origin Time 1305 10.60 +- 0.00
Zone 56
Easting 369.51 +- 0.00 Longitude 151.703
Northing 7192.66 +- 0.00 Latitude -25.377
Depth 10.00 +- 0.00 C
Arrival times = 4 S.D. = 0.993 Seismographs = 2
Nearest recorder = 34.2 km Gap = 241.9 deg Accuracy = Q
Effects Code = Imax = 0 Fault =
34 km SW (208 deg) of FS03
AUSTRALIA
QUEENSLAND
267 km NW (330 deg) of BRISBANE
86 km SW (229 deg) of BUNDABERG
53 km NW (329 deg) of STOCKHAVEN STATION
9 km SW (232 deg) of MINGO
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
FS03 35 0.4
EIDS 63 0.6
Mean 0.5 Assign ML 0.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
FS03 P 17.89 0.10 1.37 16.59 1.30 34.2 28 -28.7 28.7
FS03 S 21.85 0.10 1.24 21.18 0.67 34.2 28 -29.7 29.7
EIDS P 20.46 0.10 1.31 20.81 -0.35 62.5 270 -28.7 28.7
EIDS S 27.88 0.10 1.18 28.59 -0.71 62.5 270 -29.7 29.7
4 times used, S = 0.993
Velocity Ratios
FS03 EIDS
FS03 1.54 0.00
0.04 0.00
EIDS 0.00 1.75
0.00 0.03
Date 2023-03-28 Event type = E
Origin Time 1057 9.93 +- 0.00
Zone 56
Easting 343.04 +- 0.00 Longitude 151.442
Northing 7206.50 +- 0.00 Latitude -25.250
Depth 10.00 +- 0.00 N
Arrival times = 4 S.D. = 0.299 Seismographs = 2
Nearest recorder = 38.6 km Gap = 180.0 deg Accuracy = Q
Effects Code = Imax = 0 Fault =
38 km E ( 69 deg) of EIDS
AUSTRALIA
QUEENSLAND
292 km NW (327 deg) of BRISBANE
101 km SW (245 deg) of BUNDABERG
80 km NW (318 deg) of STOCKHAVEN STATION
10 km SE (141 deg) of ROSSLYN STATION
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
FS03 46 1.3
EIDS 39 1.3
Mean 1.3 Assign ML 1.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
EIDS P 16.44 0.10 1.36 16.56 -0.12 38.6 249 -28.7 28.7
EIDS S 21.61 0.10 1.23 21.62 -0.01 38.6 249 -29.7 29.7
FS03 P 18.02 0.10 1.34 17.65 0.37 45.7 69 -28.7 28.7
FS03 S 23.20 0.10 1.21 23.54 -0.34 45.7 69 -29.7 29.7
4 times used, S = 0.299
Velocity Ratios
EIDS FS03
EIDS 1.79 0.00
0.04 0.00
FS03 0.00 1.64
0.00 0.03